Internal Osteosythesis TRIZ Cases

A bone anchor prevents axial migration while an adjustable nail length accommodates fracture patterns without inventory complexity.

Curved bone fixation member navigates iliac crest obstructions to enable secure medially-directed screw anchoring in challenging spinal geometries.

Inwardly extending lips on a bone plate engage bone screws, reducing stress concentrations that compromise vertebral structural rigidity.

A polyaxial pedicle screw system uses a spherical head insert and frictional bushing to secure the assembly within the tulip component.

Automated image-guidance replaces manual verification steps to reduce surgical time and clinician error during spinal fixation.

Segmenting surgical access into multiple small incisions reduces tissue trauma while maintaining effective vertebral stabilization.

Segmented receiving housing clamps the rod radially inward, reducing torsional stresses on the bone-bone screw interface during high torque locking.

Segmented navigation guide with three integral members accommodates divergent sacral screw trajectories, reducing incision size and surgical invasiveness.

A spinal cross-connector uses a curved guide wire to establish an insertion path between hook members.

A steerable bone fastener follows a preformed guide wire to navigate complex anatomical paths.

Pneumatic expansion of a compressed cage stabilizes intervertebral space while minimizing surgical access complexity.

A spinal implant uses movable plates and a locking element to clamp spinous processes for vertebral fusion.

Nested rotatable shafts enable precise angle alignment of bone fractures, reducing malunion risks while maintaining structural stability.

Digital frame tracking replaces manual leg repositioning to measure limb length discrepancy and offset, resolving precision errors in hip replacement surgery.

A bone screw assembly uses a curved head and clamp base to enable post-insertion engagement without axial force.

Disc anchors align multiple spinal disc levels through a centering guide, reducing operative time and radiation exposure by consolidating alignment steps.

A spinal facet plate uses a k-wire guide to position superior and inferior bone screws for secure vertebral fixation.

Pre-assembling the construct resolves handling difficulties in constrained spaces while maintaining precise patient-specific adaptation.

A vertebral fixing system uses a flexible elongated member and anchor to stabilize bone structures.

Telescoping reduction jacks align spinal rods via gear-driven sleeves, eliminating time-consuming manual manipulation during surgery.

A bone tunnel fastener secures an osteotomy implant within the tibia for simultaneous ligament reconstruction.

Expansion-only split retainer resists pull-out forces during spinal reduction by expanding outward against receiver cavity walls.

Rotatable end bodies adjust to spine curvature, enabling minimally invasive insertion through small incisions.

Asymmetric spinal implant stabilizes spine by engaging superior facet without fixation and securing inferior facet, reducing tissue damage.

Roller-based attachment mechanisms allow linear and transverse rod movement within spinal stabilization systems.

A spinous laminar clamp system provides stable vertebral fixation using adjustable hooks and biocompatible materials.

A unilateral nail holder clamps a single pedicle screw side plate via a retractable fixing hook.

Universal connecting member window accommodates variable anchor spacing to resolve adaptability versus complexity trade-offs.

A ceramic implant body integrates flexible wire anchoring arms to secure bone flaps during skull repair procedures.

Segmented reinforcing elements embedded in a degradable polymer matrix provide customizable strength for bone fractures without restricting daily activities.

Quick-release shaft adjusts the guide relative to the leg portion, enabling precise trochanteric bolt insertion despite bone loss.

Segmented housing apertures deliver bone graft material directly between vertebrae, preventing pseudoarthrosis in minimally invasive fusion.

Pedicle connector spans the vertebral body to distribute load, reducing hardware pullout risk in osteoporotic patients.

Break-off guide extensions bridge vertical and horizontal anchor offsets to enable precise rod seating through small incisions.

Hardening material expands the spacer to engage vertebrae, replacing complex locking mechanisms with friction-based stability.

Polygonal distal shaft resists rotational forces while circular proximal portion enables controlled insertion into bone.

A resilient member and toothed wheel mechanism prevents screw counter-rotation and axial backing out under repetitive physiological loads.

Integrated bone plate with angled second portion guides anti-rotation screw insertion through protection sleeves.

Segmented flexible shafts enable spinal fusion and discectomy through natural orifices, reducing patient trauma and scarring.

A spinal coupling system adjustably secures elongated stabilization members to enable precise axial positioning during surgical implantation.

Nested inner core and outer cage structures enable osseointegration despite insufficient available bone tissue quantity.

Multi-directional connector mounts on threaded anchors enable progressive spinal alignment correction without rigid fusion.

A cervical spinous process staple anchors adjacent vertebrae using ratchet claws and bone fastener prongs.

A magnetically actuated growing rod extends via internal gears to adjust spinal length without invasive surgery.

A bone stent with an end cap maintains a bony access channel through the vertebral body.

Outer sleeve slides over polyaxial screw coupling to maintain secure alignment during minimally invasive spinal surgery.

An intramedullary nail adjuster uses urging members to press anti-rotation pins firmly in place.